button {
    cursor: pointer;
}

body {
    background-color: #f2f2f2;
}

/* 头部 */
.head {
    height: 28px;
    background-color: #101010;
    color: #e6e6e6;
    line-height: 28px;
}

.head_left {
    margin-left: 200px;
}

.head_right span {
    color: #ff6600;
}

/* 导航栏 */
.nav {
    background-color: white;
}

.nav_left h1 {
    left: 0;
    top: -31px;
    width: 200px;
    height: 113px;
    background: url(../images/logo.jpg) no-repeat;
}

.nav_left a {
    font-size: 0;
}

.nav_top {
    height: 36px;
    margin-top: 4px;
}

.nav_top_centent {
    width: 440px;
    margin: 0 auto;
}

.nav_top_centent input {
    width: 390px;
    height: 36px;
    padding-left: 20px;
    box-sizing: border-box;
    border: solid 2px #ff6600;
    border-right: none;
    outline: none;
}

.nav_top_centent button {
    width: 50px;
    height: 36px;
    background: url(../images/bgicon.png) no-repeat 0px 0px;
    background-color: #ff6600;
    border: none;
}

.nav_top_right {
    margin-left: 180px;
}

.nav_top_right button {
    width: 100px;
    height: 36px;
    border: none;
}

.nav_top_right button:nth-child(1) div {
    display: inline-block;
    width: 29px;
    height: 21px;
    background: url(../images/bgicon.png) no-repeat -4px -50px;
}

.nav_top_right button:nth-child(1) span {
    margin: 0px 5px;
}

.nav_top_right button:first-child {
    color: white;
}

.nav_top_right button:last-child {
    color: #808080;
    font-size: 18px;
}

.nav_top_right button:first-child {
    background-color: #ff6600;
}

.nav_top_right button:last-child {
    background-color: #ebebeb;
}

.nav_bottom ul {
    margin-left: 200px;
    margin-top: 24px;
}

.nav_bottom li {
    margin-left: 34px;
    float: left;
}

.nav_bottom a {
    color: black;
}

/* 图书 */
.books_top h3 {
    color: #aaa;
}

.books_top span {
    font-size: 20px;
    color: black;
}

.books_main {
    padding: 0px 24px;
    background-color: white;
}

.books_main .left {
    width: 342px;
    height: 474px;
}

.books_main .left img {
    width: 342px;
}
.books_main .bottom ul{
    margin-top: 32px;
}
.books_main .bottom ul li {
    float: left;
    margin-right: 5px;
}

.books_main .bottom ul li:last-child {
    float: right;
}

.books_main .bottom ul li img {
    width: 56px;
    height: 56px;
}

.books_main .bottom ul li button {
    width: 56px;
    height: 56px;
    background-color: #ccc !important;
}

.books_main .bottom ul li:nth-child(1) button{
    background: url(../images/arrow-left.png) no-repeat 8px 8px;
}

.books_main .bottom ul li:last-child button{
    background: url(../images/arrow-right.png) no-repeat 8px 8px;
}

.books_main .right {
    width: 788px;
    line-height: 35px;
}

.books_main .right .top {
    padding-left: 20px;
    box-sizing: border-box;
    margin-top: 10px;
}

.books_main .right .top h3 {
    font-size: 22px;
}

.books_main .right .top p {
    color: red;
}

.books_main .right .top span {
    color: #aaa;
}

.books_main .right .center {
    padding-left: 20px;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 2.8;
    color: #aaa;
    height: 140px;
    background-color: #f5f5f5;
}

.books_main .right .center img {
    width: 94px;
    height: 26px;
    margin-left: 10px;
}

.books_main .right .bottom {
    padding-left: 20px;
    box-sizing: border-box;
    margin-top: 20px;
}

.books_main .right .bottom button {
    width: 100px;
    height: 34px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.books_main .right .bottom .con {
    margin-top: 54px;
    margin-bottom: 10px;
}

.books_main .right .bottom .con .son {
    width: 63px;
    height: 42px;
    margin-top: 8px;
}

.books_main .right .bottom .con .num {
    width: 42px;
    height: 42px;
}

.books_main .right .bottom .con .plus {
    width: 21px;
    height: 21px;
    bottom: 0;
}

.books_main .right .bottom .con .reduce {
    width: 21px;
    height: 21px;
}

.books_main .right .bottom .con .shopping {
    width: 190px;
    height: 60px;
    font-size: 26px;
    line-height: 34px;
    margin-left: 24px;
    color: white;
    background-color: #ff6600;
}

/* 人气单品开始 */
.popularity {
    height: 3000px;
    margin-top: 20px;
    background-color: white;
}

.popularity_head {
    border-bottom: 5px solid #ff6600;
    height: 47px;

}

.popularity_head h3 {
    width: 120px;
    font-size: 24px;
    line-height: 47px;
    text-align: center;
    font-weight: 400;
    color: white;
    background-color: #ff6600;
}

.popularity_main ul li {
    width: 214px;
    height: 300px;
    padding: 0px 32px;
    box-sizing: border-box;
    float: left;
    margin: 0px 13px;
}

.popularity_main ul li h2 {
    font-size: 23px;
    color: red;
}

.popularity_main ul li a {
    color: red;
}

.popularity_main ul li div {
    width: 30px;
    height: 20px;
    float: left;
    background: url(../images/bgicon.png) no-repeat;
    background-position: 0 -85px;
}

.popularity_main ul li span {
    margin-left: 5px;
    text-decoration: line-through;
    color: #ccc;
}

.popularity_main ul li:hover {
    background-color: #f3f3f3;
}

.popularity_main ul li .img {
    width: 73px;
}

.popularity_main ul li .con {
    width: 146px;
}

.popularity_main h4 {
    color: red;
    background-color: white;
}

.popularity_main ul li .con p {
    width: 100px;
    height: 22px;
    background: url(../images/star_v2.png) no-repeat 0px -40px;
    background-size: cover;
}

.popularity_left {
    margin-left: 26px;
    width: 316px;
    height: 40px;
    line-height: 40px;
    padding-left: 10px;
    box-sizing: border-box;
    background-color: #f4f4f4;
}

.popularity_left p {
    font-size: 20px;
    line-height: 35px;
}

.popularity_left ul {
    margin-top: 20px;
    margin-left: 50px;
}

.popularity_left ul li {
    width: 214px;
    height: 300px;
    padding: 0px 32px;
    box-sizing: border-box;
    margin: 0px 13px;
}

.popularity_left ul li h2 {
    font-size: 23px;
    color: red;
}

.popularity_left ul li a {
    color: red;
}

.popularity_left ul li div {
    width: 30px;
    height: 20px;
    float: left;
    background: url(../images/bgicon.png) no-repeat;
    background-position: 0 -85px;
}

.popularity_left ul li span {
    margin-left: 5px;
    text-decoration: line-through;
    color: #ccc;
}

.popularity_left ul li .img {
    width: 73px;
}

.popularity_left ul li .con {
    width: 146px;
}

.popularity_left h4 {
    color: red;
    background-color: white;
}

.popularity_left ul li .con p {
    width: 100px;
    height: 22px;
    background: url(../images/star_v2.png) no-repeat 0px -40px;
    background-size: cover;
}

.popularity_right {
    width: 856px;
}

.popularity_right_head {
    height: 53px;
    border-bottom: 5px solid #ff6600;
}

.popularity_right_head>p {
    margin-top: 6px;
    width: 150px;
    height: 47px;
    font-size: 24px;
    text-align: center;
    line-height: 47px;
}


.popularity_right_main {
    margin-bottom: 30px;
}

.popularity_right_main_left {
    width: 115px;
    margin-left: 50px;
}

.popularity_right_main_left h3 {
    font-size: 72px;
    color: red;
}

.popularity_right_main_left p {
    width: 60px;
    font-size: 20px;
    color: #ccc;
}

.popularity_right_main_center {
    width: 230px;
    margin-left: 50px;
}

.popularity_right_main_center p {
    margin-top: 20px;
    display: inline-block;
}
.popularity_right .con:first-child{
    display: none;
}
.popularity_right .con:first-child img{
    width: 856px;
}
.popularity_right_main_center .son {
    display: inline-block;
    width: 150px;
    height: 16px;
    background-color: #ccc;
}

.popularity_right_main_center .con {
    width: 100px;
    height: 16px;
    background-color: red;
}

.popularity_right_main_right ul {
    width: 350px;
    margin-top: 20px;
    margin-left: 50px;
}

.popularity_right_main_right li {
    float: left;
    width: 144px;
    margin-left: 20px;
    font-size: 16px;
    line-height: 34px;
}

.popularity_right_bomain {
    width: 856px;
}

.popularity_right_bomain h3 {
    font-size: 16px;
    color: #666666;
    height: 30px;
    background-color: #f5f5f5;
}

.popularity_right_bomain h3 span {
    color: #f8380c;
}

.popularity_right_bomain li {
    height: 147px;
    padding-top: 21px;
    border-bottom: #aaa 1px solid;

}

.popularity_right_bomain li .center {
    width: 461px;
    height: 31px;
    margin-left: 30px;
}


.popularity_right_bomain li .right {
    width: 144px;
}

.popularity_right_bomain li .right img {
    width: 28px;
    height: 28px;
}

.popularity_right_bomain li .right span {
    font-size: 14px;
    color: #666666;
}

.popularity_right_bomain li .right h4 {
    font-size: 14px;
    color: #f4b212;
}

.popularity_right_bomain li .right p {
    font-size: 14px;
    color: #808080;
}

/* 售后服务 */
.sale {
    border-top: 6px solid #ff6600;
    background-color: #f2f2f2;
    height: 100px;
}

.sale .center {
    position: relative;
}

.sale .xg {
    border: 3px solid #ff6600
}

.sale_center {
    width: 790px;
    margin: 0 auto;
}

.sale_center img {
    margin-top: 25px;
    margin-right: 60px;
}

/* 尾部导航 */
.bottnav {
    margin: 36px 0px;
    position: relative;
}

.bottnav_center {
    width: 681px;
    height: 130px;
    line-height: 24px;
    margin: 0 auto;

}

.bottnav>ul>li {
    text-align: center;
    float: left;
    margin-right: 60px;
}

.bottnav p {
    font-weight: 700;
    font-size: 14px;
}

.bottnav_img {
    width: 113px;
    position: absolute;
    top: 0px;
    right: 50px;
}

/* 尾部 */
.tail ul {
    width: 800px;
    margin: 0 auto;
}

.tail li {
    float: left;
    padding: 0 16px;
    border-right: 1px solid;
}

.tail li:last-child {
    border: none;
}

.tail p {
    text-align: center;
}